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Soft Absorber

FA-2540LB/FA-2540LD/FWM-2540LBD Series

1 Soft Absorber（200.5）（116.5）15

3 Magnum Series

M25×1.5

131.5

6.5

（37）

Standard nut(Width across ﬂat 32)

Lock screw

Adjustment screwSpecifications

4 Speed Controller

ModelStroke mm

FA-2540LB-C▲

FA-2540LD-C▲FWM-2540LBD-C

Max. absorption energy J（kgf・m）Max. equivalent mass kg（kgf）Range of impact rate m/s

40

63.7（6.5）▲

Orifice type500（500）

0.3～1

Single-orifice type200（200）0.7～3Multiple-orifice type350（350）0.3～2Multiple-varying orifice type

▲ Thread pitch P2.0 is supplied as well.

Common Specifications

5 Helical Isolator

Max. dragMax. cycle rate

N（kgf）

3,920
（400）

cycle/min

60

Max. absorption energy per minute J/min（kgf・m/min）
Recovering power of the piston rod

N（kgf）

Operating temperature℃－5～70Mass：C type

g

475.1

637（65）71.4（7.29）
or lowerNote) M25 X 2.0 is also available as the main unit’s screw pitch specifications for the FA-2540 series. Please order using the model number FA-2540L*-C-P.2.0. However, please notethat there are no optional parts for it.

Orifice type
Model number
Application

Multiple-orifice typeFA-2540LB series

FA-2540LD series

FWM-2540LBD series

For low-speed

For high-speed

For medium speed, in particular with a pneumatic cylinder

Precautions for Use

Multiple-varying orifice type

ResistanceResistance

Absorption characteristics

Single-orifice type

Resistance

6 Model Selection Form

Selection Guideline The FA-FWM-2540 series series has the following three patterns of absorption characteristics depending on the orifice type. Please use the following information as a guideline when making your selection.

StrokeStrokeStroke

Adjustment Method* Do not use this product without carefully reading the attached owner’s manual.

* To adjust, turn the adjustment knob with a slotted screw driver.

* Ensure that an external stopper (Stopper nut OP-020LB) is also used.

* Because the adjustment can be done in an analog manner, a* Do not turn the oil inlet screw located at the bottom of the main unit.
* Ensure that sufficient mounting strength is secured for this product. (As aguideline, it should be 2 to 3 times the maximum drag listed in the catalogue.)* Do not use this product in a vacuum or a location where it may come in contact with oil.
* Ensure that an eccentric load is not applied to the soft absorber(Allowable eccentric angle: within ±2.5°)6640

φ8101.5

2 Rotary Damper（64.5）

29

9.5

φ22

value between two integers on the indicator can be set.
* It does not have a lock screw for locking the adjusted setting.

Adjustable type Self-adjusting

RoHSCompliant
対応品
RoHS

Optional PartsStopper nut OP-020LB

1 Soft Absorber●Products specification might be changed without notice.

New products

Fixed Type

Square flange OP-040GB

Model

ModelOP-040GB

37● Once the attachment site is determined, use the main unit’s nut tosecurely fasten in place.
M25×1.5

M25×1.550□40□544-φ9

Mass 153g

Standard nuts are sold separately as well.
Applicable Models

ModelFA-2540LBFA-2540LD

12Mass 206g

4 Speed Controller

Note) When attaching, make sure that the side without a bearing
chamfer is the impact surface.

3 Magnum Series

32

2 Rotary Damper

OP-020LB● Adjust so that it stops 1mm before thestroke end, and fasten withthe main unit’s nut until secured.

M25 nut

FWM-2540LBD
FA-2540LD P2.0
FWM-2540LBD P2.0

M25-P2 nut

5 Helical Isolator

FA-2540LB P2.0

6 Model Selection Form67